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Audi A3 Performance ECU Software / Tuning

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ES#4617327 - 20TSI - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For vehicles with TSI engines only

Brand:
Unitronic - Corporate Logo
ES#:
4617327
Mfg#:
20TSI
In Stock
ON SALE!
Starting at $400.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4381814 - 20FSI - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For vehicles with FSI engines only.

Brand:
Unitronic - Corporate Logo
ES#:
4381814
Mfg#:
20FSI
In Stock
ON SALE!
Starting at $400.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4840618 - H021-002-06 - HP Tuners PROLINK+ Cable - Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces. - HP Tuners - Audi Volkswagen Mercedes Benz

Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.

Brand:
HP Tuners - Corporate Logo
ES#:
4840618
Mfg#:
H021-002-06
Ships in 5 Business Days
$60.99

This product was last offered at the strikethrough price on
05-12-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +36 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339265
Mfg#:
913091
Ships in 4 Business Days
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +40 hp and +50 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engine up through the 2010 model year only.

Brand:
Race Chip - Corporate Logo
ES#:
4339159
Mfg#:
909642
Ships in 4 Business Days
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339065 - 905572 - RaceChip RS With App Control - Get up to +54 hp and +62 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +54 hp and +62 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339065
Mfg#:
905572
Ships in 4 Business Days
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

For customers that already have APR software on their car and are upgrading to a K04 Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles with TSI engines only.

Brand:
APR - Corporate Logo
ES#:
2771112
Mfg#:
PA100007KT
Back Ordered
$384.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Get up to +31 hp and +55 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339169
Mfg#:
909912
Ships in 4 Business Days
$379.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +39 hp and +55 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339294
Mfg#:
914762
Ships in 4 Business Days
$379.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672109 - JB4-BLT-ENCR - JB4 Billet Aluminum Enclosure - Stylish protective waterproof case for your JB1 or JB4 - Burger Motorsports - Audi Volkswagen Mercedes Benz MINI Porsche

Stylish protective waterproof case for your JB1 or JB4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3672109
Mfg#:
JB4-BLT-ENCR
Ships in 2 Business Days
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +40 hp and +50 lb-ft through a safe and easy to use tuning module from Racechip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339158
Mfg#:
909641
In Stock
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +39 hp and +55 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339293
Mfg#:
914761
Ships in 4 Business Days
$329.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +31 hp and +55 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339168
Mfg#:
909911
Ships in 4 Business Days
$329.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2996318 - STGIS38UPG - IS38 Software Upgrade - For Existing Customers - See up to 386 horsepower on 93 octane fuel! - APR - Audi Volkswagen

See up to 386 horsepower on 93 octane fuel! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 or Stage 2 customers with Golf R/8V S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.

Brand:
APR - Corporate Logo
ES#:
2996318
Mfg#:
STGIS38UPG
In Stock
$299.99 USD

For customers that already have APR software on their car and are upgrading to a K04 Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509833
Mfg#:
PA100008KT
Back Ordered
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339264 - 913090 - RaceChip S - Get up to +29 hp and +42 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +29 hp and +42 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339264
Mfg#:
913090
Ships in 4 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance ECU Software / Tuning

Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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